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SAE: Fix external authentication on big endian platforms

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Need to handle the little endian 16-bit fields properly when building
and parsing Authentication frames.

Fixes: 5ff39c1380 ("SAE: Support external authentication offload for driver-SME cases")
Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
This commit is contained in:
Ashok Ponnaiah 2018-11-30 17:26:26 +02:00 committed by Jouni Malinen
parent 77e4f012f1
commit fcb3f11e4d
1 changed files with 10 additions and 9 deletions
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19
wpa_supplicant/sme.c
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@ -895,10 +895,10 @@ static int sme_external_auth_build_buf(struct wpabuf *buf,
os_memcpy(resp->da, da, ETH_ALEN); os_memcpy(resp->da, da, ETH_ALEN);
os_memcpy(resp->sa, sa, ETH_ALEN); os_memcpy(resp->sa, sa, ETH_ALEN);
os_memcpy(resp->bssid, da, ETH_ALEN); os_memcpy(resp->bssid, da, ETH_ALEN);
resp->u.auth.auth_alg = WLAN_AUTH_SAE; resp->u.auth.auth_alg = host_to_le16(WLAN_AUTH_SAE);
resp->seq_ctrl = seq_num << 4; resp->seq_ctrl = host_to_le16(seq_num << 4);
resp->u.auth.auth_transaction = auth_transaction; resp->u.auth.auth_transaction = host_to_le16(auth_transaction);
resp->u.auth.status_code = WLAN_STATUS_SUCCESS; resp->u.auth.status_code = host_to_le16(WLAN_STATUS_SUCCESS);
if (params) if (params)
wpabuf_put_buf(buf, params); wpabuf_put_buf(buf, params);
@ -1178,13 +1178,14 @@ void sme_external_auth_mgmt_rx(struct wpa_supplicant *wpa_s,
return; return;
} }
if (header->u.auth.auth_alg == WLAN_AUTH_SAE) { if (le_to_host16(header->u.auth.auth_alg) == WLAN_AUTH_SAE) {
int res; int res;
res = sme_sae_auth(wpa_s, header->u.auth.auth_transaction, res = sme_sae_auth(
header->u.auth.status_code, wpa_s, le_to_host16(header->u.auth.auth_transaction),
header->u.auth.variable, le_to_host16(header->u.auth.status_code),
len - auth_length, 1, header->sa); header->u.auth.variable,
len - auth_length, 1, header->sa);
if (res < 0) { if (res < 0) {
/* Notify failure to the driver */ /* Notify failure to the driver */
sme_send_external_auth_status( sme_send_external_auth_status(